Home / 2,868.72-4,296.24-1,769.75

Finding the Fourth Proportional to 2,868.72, 4,296.24 and 1,769.75

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Solution

The fourth proportional to 2,868.72, 4,296.24 and 1,769.75 is: 2,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.72 : 4,296.24 = 1,769.75 : x
  2. Step 2: Convert to fraction form
    2,868.72/4,296.24 = 1,769.75/x
  3. Step 3: Cross multiply
    2,868.72x = 4,296.24 × 1,769.75
  4. Step 4: Simplify right side
    2,868.72x = 7,603,265.37
  5. Step 5: Solve for x
    x = 7,603,265.37/2,868.72
  6. Step 6: Final answer
    x = 2,650.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.